<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>课上练习</title>
</head>
<body>
    <form action="http://www.baidu.com">
        <div>
            <input placeholder="请输入姓名" type="text">
            <div>
                <input placeholder="请输入密码" type="password">
            <div>
                <label for="">男</label><input name="sex" type="radio">
                <label for="">女</label><input name="sex" type="radio">
            </div>
            <div>
                <label for="">足球</label><input name="hobby" type="checkbox">
                <label for="">篮球</label><input name="hobby" type="checkbox">
                <label for="">羽毛球</label><input name="hobby" type="checkbox"></input>
            </div>
            <div>
                <textarea name="" id=""></textarea>
            </div>
            <button>登录</button>
    </form>

</body>
</html>